<template>
  <div class="body">
    <div class="container">
      <div class="content">
        <div class="login_logo">
          <img src="~@/assets/loginLogo.png" style="height: 100%; width: 100%" alt="logo">
        </div>
        <div class="login">
          <div class="user_login">
            用户登录
          </div>
          <div class="contents">
            <div class="main">
              <a-form
                id="formLogin"
                class="user-layout-login"
                ref="formLogin"
                :form="form"
                @submit="handleSubmit"
              >
                <a-tabs
                  :activeKey="customActiveKey"
                  :tabBarStyle="{ textAlign: 'center', borderBottom: 'unset' }"
                  @change="handleTabClick"
                >
                  <a-tab-pane key="tab1" tab="手 机 号 登 录">
                    <a-alert v-if="isLoginError" type="error" showIcon style="margin-bottom: 24px;" message="账户或密码错误" />
                    <a-form-item>
                      <a-input
                        size="large"
                        type="text"
                        placeholder="请输入手机号"
                        v-decorator="[
                          'loginName',
                          {rules: [{ required: true, message: '请输入手机号', trigger: 'blur' },
                                   { validator: validatePhone, trigger: 'blur' }]}
                        ]"
                      >
                        <a-icon slot="prefix" type="user" :style="{ color: 'rgba(0,0,0,.25)' }"/>
                      </a-input>
                    </a-form-item>

                    <a-form-item>
                      <a-input-password
                        size="large"
                        type="password"
                        autocomplete="false"
                        placeholder="请输入登录密码"
                        v-decorator="[
                          'loginPwd',
                          {rules: [{ required: true, message: '请输入密码' }]}
                        ]"
                      >
                        <a-icon slot="prefix" type="lock" :style="{ color: 'rgba(0,0,0,.25)' }"/>
                      </a-input-password>
                    </a-form-item>

                    <a-form-item
                      label=""
                      style="text-align: center"
                      :labelCol="{lg: {span: 0}, sm: {span: 0}}"
                      :wrapperCol="{lg: {span: 24}, sm: {span: 24} }"
                      :required="false"
                    >
                    </a-form-item>
                  </a-tab-pane>
                </a-tabs>

                <a-form-item style="margin-top: 5px">
                  <a-button
                    size="large"
                    type="primary"
                    htmlType="submit"
                    class="login-button"
                    :loading="loginBtn"
                    :disabled="loginBtn"
                  >登 录</a-button>
                </a-form-item>
              </a-form>

              <two-step-captcha
                v-if="requiredTwoStepCaptcha"
                :visible="stepCaptchaVisible"
                @success="stepCaptchaSuccess"
                @cancel="stepCaptchaCancel"
              ></two-step-captcha>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import md5 from 'md5'
// import TwoStepCaptcha from '@/components/tools/TwoStepCaptcha'
import { mapActions } from 'vuex'
import { timeFix } from '@/utils/util'
// import { getSmsCaptcha, get2step } from '@/api/login'

export default {
  data () {
    return {
      customActiveKey: 'tab1',
      loginBtn: false,
      // login type: 1 student, 2 teacher, 3 user管理员
      isLoginError: false,
      requiredTwoStepCaptcha: false,
      stepCaptchaVisible: false,
      form: this.$form.createForm(this),
      state: {
        // time: 60,
        // loginBtn: false,
        // // login type: 0 email, 1 username, 2 telephone
        // loginType: 0,
        // smsSendBtn: false
      }
    }
  },
  created () {
    // get2step({ })
    //   .then(res => {
    //     this.requiredTwoStepCaptcha = res.result.stepCode
    //   })
    //   .catch(() => {
    //     this.requiredTwoStepCaptcha = false
    //   })
    // this.requiredTwoStepCaptcha = true
  },
  methods: {
    ...mapActions(['Login', 'Logout']),
    // handler
    // 前端验证登录密码的合法性
    validateLoginPwd (rule, value, callback) {
      const regex = /^(?![a-zA-Z]+$)(?![A-Z0-9]+$)(?![A-Z\W_]+$)(?![a-z0-9]+$)(?![a-z\W_]+$)(?![0-9\W_]+$)[a-zA-Z0-9\W_]{8,}$/
      if (regex.test(value)) {
        return callback()
      } else {
        return callback(new Error('大写字母，小写字母，数字，特殊符号四选三，长度至少8位'))
      }
    },
    validatePhone (rule, value, callback) {
      const flag = /^[1][3,4,5,7,8,9][0-9]{9}$/
      if (flag.test(value)) {
        return callback()
      } else {
        return callback(new Error('手机号码不合法'))
      }
    },
    handleTabClick (key) {
      this.customActiveKey = key
      // this.form.resetFields()
    },
    handleSubmit (e) {
      e.preventDefault()
      const {
        form: { validateFields },
        // state,
        // customActiveKey,
        Login
      } = this
      this.loginBtn = true

      // const validateFieldsKey = customActiveKey === 'tab1' ? ['username', 'password'] : ['mobile', 'captcha']

      validateFields({ force: true }, (err, values) => {
        const _this = this
        if (!err) {
          // console.log('login form', values)
          const loginParams = { ...values }
          // delete loginParams.username
          // loginParams[!state.loginType ? 'email' : 'username'] = values.username
          // loginParams.password = md5(values.password)
          loginParams.loginPwd = md5(values.loginPwd)
          console.log(loginParams)
          Login(loginParams)
            .then((res) => this.loginSuccess(res))
            .catch(err => this.requestFailed(err))
            .finally(() => {
              _this.loginBtn = false
            })
        } else {
          setTimeout(() => {
            _this.loginBtn = false
          }, 600)
        }
      })
    },
    // getCaptcha (e) {
    //   e.preventDefault()
    //   const { form: { validateFields }, state } = this
    //
    //   validateFields(['mobile'], { force: true }, (err, values) => {
    //     if (!err) {
    //       state.smsSendBtn = true
    //
    //       const interval = window.setInterval(() => {
    //         if (state.time-- <= 0) {
    //           state.time = 60
    //           state.smsSendBtn = false
    //           window.clearInterval(interval)
    //         }
    //       }, 1000)
    //
    //       const hide = this.$message.loading('验证码发送中..', 0)
    //       getSmsCaptcha({ mobile: values.mobile }).then(res => {
    //         setTimeout(hide, 2500)
    //         this.$notification['success']({
    //           message: '提示',
    //           description: '验证码获取成功，您的验证码为：' + res.result.captcha,
    //           duration: 8
    //         })
    //       }).catch(err => {
    //         setTimeout(hide, 1)
    //         clearInterval(interval)
    //         state.time = 60
    //         state.smsSendBtn = false
    //         this.requestFailed(err)
    //       })
    //     }
    //   })
    // },
    stepCaptchaSuccess () {
      this.loginSuccess()
    },
    stepCaptchaCancel () {
      this.Logout().then(() => {
        this.loginBtn = false
        this.stepCaptchaVisible = false
      })
    },
    loginSuccess (res) {
      // console.log(res)
      // check res.homePage define, set $router.push name res.homePage
      // Why not enter onComplete
      /*
      this.$router.push({ name: 'analysis' }, () => {
        console.log('onComplete')
        this.$notification.success({
          message: '欢迎',
          description: `${timeFix()}，欢迎回来`
        })
      })
      */
      localStorage.setItem('name', res.data.result.name)
      localStorage.setItem('roleId', res.data.result.roleId)
      console.log(res)
      if (res.status === 200) {
        this.$router.push({ path: '/' })
        // 延迟 1 秒显示欢迎信息
        setTimeout(() => {
          this.$notification.success({
            message: '欢迎',
            description: `${timeFix()}，欢迎回来`
          })
        }, 1000)
        this.isLoginError = false
      } else {
        this.isLoginError = true
      }
    },
    requestFailed (err) {
      this.isLoginError = true
      this.$notification['error']({
        message: '错误',
        description: ((err.response || {}).data || {}).message || '请求出现错误，请稍后再试',
        duration: 4
      })
    }
  }
}
</script>

<style lang="less" scoped>
  .body {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;

    .container {
      width: 82.2%;
      height: 500px;
      display: flex;
      align-items: center;
      justify-content: center;

      .content {
        width: 82.2%;
        margin-top: 60px;
        display: flex;
        flex-direction: row;
        justify-content: space-around;
        align-items: center;

        .login_logo {
          width: 500px;
          height: 466px;
          display: flex;
          justify-content: center;
        }
        .login {
          width: 371px;
          height: 466px;
          margin-left: 10px;
          background: #FFFFFF;
          box-shadow: 0px 2px 16px 0px rgba(190, 196, 203, 0.6);
          border-radius: 8px;
          display: flex;
          align-items: center;
          justify-content: center;
          flex-direction: column;
          .contents {
            width: 250px;
            height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
          }
          .user_login {
            width: 250px;
            height: 45px;
            font-size: 25px;
            font-family: PingFangSC-Medium, PingFang SC;
            font-weight: 500;
            color: #303133;
            line-height: 45px;
          }
        }
      }
    }
  }
.user-layout-login {
  label {
    font-size: 14px;
  }
  .getCaptcha {
    display: block;
    width: 100%;
    height: 40px;
  }

  .forge-password {
    font-size: 14px;
  }

  button.login-button {
    background-color: #295AC3;
    padding: 0 15px;
    font-size: 16px;
    height: 40px;
    width: 100%;
  }

  .user-login-other {
    text-align: left;
    margin-top: 24px;
    line-height: 22px;

    .item-icon {
      font-size: 24px;
      color: rgba(0, 0, 0, 0.2);
      margin-left: 16px;
      vertical-align: middle;
      cursor: pointer;
      transition: color 0.3s;

      &:hover {
        color: #1890ff;
      }
    }

    .register {
      float: right;
    }
  }
}
</style>
